Useful config option, perhaps?
On Mon, Aug 16, 2010 at 8:51 AM, Jonathan Ellis <jbel...@gmail.com> wrote: > That's a tough call -- you can also come up with scenarios where you'd > rather have it read-only than completely dead. > > On Wed, Aug 11, 2010 at 12:38 PM, Ran Tavory <ran...@gmail.com> wrote: >> Due to administrative error one of the hosts in the cluster lost permission >> to write to it's data directory. >> So I started seeing errors in the log, however, the server continued serving >> traffic. It wasn't able to compact and do other write operations but it >> didn't crash. >> I was wondering wether that's by design and if so, is this a good one... I >> guess I want to know if really bad things happen to my cluster... >> logs look like that... >> >> INFO [FLUSH-TIMER] 2010-08-11 07:53:14,683 ColumnFamilyStore.java (line >> 357) KvAds has reached its threshold; switching in a fresh Memtable at >> CommitLogContext(file='/outbrain/cassandra/commitlog/Commi >> tLog-1281505164614.log', position=88521163) >> INFO [FLUSH-TIMER] 2010-08-11 07:53:14,683 ColumnFamilyStore.java (line >> 609) Enqueuing flush of Memtable(KvAds)@851225759 >> INFO [FLUSH-WRITER-POOL:1] 2010-08-11 07:53:14,684 Memtable.java (line 148) >> Writing Memtable(KvAds)@851225759 >> ERROR [FLUSH-WRITER-POOL:1] 2010-08-11 07:53:14,688 >> DebuggableThreadPoolExecutor.java (line 94) Error in executor futuretask >> java.util.concurrent.ExecutionException: java.lang.RuntimeException: >> java.io.FileNotFoundException: >> /outbrain/cassandra/data/outbrain_kvdb/KvAds-tmp-249-Data.db (Permission >> denied) >> at >> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222) >> at java.util.concurrent.FutureTask.get(FutureTask.java:83) >> at >> org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:86) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:888) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) >> at java.lang.Thread.run(Thread.java:619) >> Caused by: java.lang.RuntimeException: java.io.FileNotFoundException: >> /outbrain/cassandra/data/outbrain_kvdb/KvAds-tmp-249-Data.db (Permission >> denied) >> at >> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) >> at >> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) >> at >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) >> at java.util.concurrent.FutureTask.run(FutureTask.java:138) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) >> ... more > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >
